Facile preparation of flexible and highly stable graphene oxide-silver nanowire hybrid transparent conductive electrode

Zhang, Yan; Bai, Shengchi; Chen, Tianrui; Yang, Hui; Guo, Xingzhong

doi:10.1088/2053-1591/ab6262

Cited by 25 publications

(18 citation statements)

References 46 publications

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“…Sheet resistance versus optical transmittance at 550 nm for rGO/Ag NW films and previous reported Ag NW-based transparent conductive films are plotted in Fig. 3f and Table 1 [9,17,19,20,[35][36][37][38][39][40][41]. The rGO/Ag NW films combine the merits of high transmittance and low sheet resistance.…”

Section: Optical Transmittance and Electrical Conductivitymentioning

confidence: 75%

Multifunctional Integrated Transparent Film for Efficient Electromagnetic Protection

et al. 2022

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Silver nanowire (Ag NW) has been considered as the promising building block for the fabrication of transparent electromagnetic interference (EMI) shielding films. However, the practical application of Ag NW-based EMI shielding films has been restricted due to the unsatisfactory stability of Ag NW. Herein, we proposed a reduced graphene oxide (rGO) decorated Ag NW film, which realizes a seamless integration of optical transparency, highly efficient EMI shielding, reliable durability and stability. The Ag NW constructs a highly transparent and conductive network, and the rGO provides additional conductive path, showing a superior EMI shielding effectiveness (SE) of 33.62 dB at transmittance of 81.9%. In addition, the top rGO layer enables the hybrid film with reliable durability and chemical stability, which can maintain 96% and 90% EMI SE after 1000 times bending cycles at radius of 2 mm and exposure in air for 80 days. Furthermore, the rGO/Ag NW films also possess fast thermal response and heating stability, making them highly applicable in wearable devices. The synergy of Ag NW and rGO grants the hybrid EMI shielding film multiple desired functions and meanwhile overcomes the shortcomings of Ag NW. This work provides a reference for preparing multifunctional integrated transparent EMI shielding film.

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Section: Optical Transmittance and Electrical Conductivitymentioning

confidence: 75%

Multifunctional Integrated Transparent Film for Efficient Electromagnetic Protection

et al. 2022

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“…In addition, we compared the photoelectric performance of the hybrid TCE with the other transparent electrodes reported recently, and the data was displayed in Table S1 in the Supporting Information. [ 8,26–29 ] It indicated that the composite electrodes had relatively low sheet resistance and high transmittance.…”

Section: Resultsmentioning

confidence: 99%

Highly Stable Graphene‐Based Flexible Hybrid Transparent Conductive Electrodes for Organic Solar Cells

Wang

Jian

Zhang

et al. 2021

Adv Materials Inter

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Flexible transparent conductive electrodes (TCEs) are an essential part of flexible electronic and energy devices. As a promising alternative to ITO (In2O3:Sn), silver nanowire has poor environmental stability and adhesion, which limits its development. Herein, transition metal carbides and carbonitrides called MXene are inserted between silver nanowires and graphene grown by chemical vapor deposition to improve the conductivity, adhesion, roughness, and stability of the electrode. Nanosheets fill the voids of the network and connect the nanowires with graphene to provide more conductive channels. In addition, due to the solvent evaporation effect and thermal effect in the preparation process, the nanowire junctions are welded together. Based on the unique structure, the proposed composite TCE shows low sheet resistance (18.1 Ω sq−1) and high optical transmittance (88.1% at 550 nm). Furthermore, compared to the reference samples, the composite TCEs demonstrate stable electrical performances under different environmental conditions, including thermal environment, exposures to air for 80 days, and bending for 2000 cycles. Finally, flexible organic solar cells (OSCs) are prepared using the composite TCEs, which show comparable efficiency to that of ITO‐based OSCs. Therefore, the flexible transparent electrodes are expected to be applied in solar cells, organic light‐emitting diodes, and a broader range.

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“…Among them, hybrid electrodes comprising AgNWs‐graphene oxide (GO) and AgNWs‐mono layer graphene (MLG) from CVD have been widely investigated and applied to numerous optoelectronic devices. [ 15–167 ] As shown in Table 4, significant surface‐roughness reduction by applying these materials is achievable. The GO dispersion induced...…”

Section: Problems Of Agnws In Solar Cellsmentioning

confidence: 99%

Benefits, Problems, and Solutions of Silver Nanowire Transparent Conductive Electrodes in Indium Tin Oxide (ITO)‐Free Flexible Solar Cells

Azani¹,

Hassanpour²,

Torres

2020

Advanced Energy Materials

198

177

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their use in large-scale applications. [2] Thus, a second generation of solar cells based on other inorganic materials, such as cadmium telluride (CdTe)/cadmium indium gallium diselenide (CIGS), have been developed; however, their practical applications are restricted by the toxi city and scarcity of the materials, along with their high production cost. [3,4] Consequently, OSCs, dye-sensitized solar cells (DSSCs), [5,6] and perovskite solar cells (PSCs) [7-9] have been developed, which are considered as third-generation SCs. Among the solar cells of the third generation, OSCs received significant attention due to their flexibility, low cost, and ease of fabrication, [10] which combined with their high efficiency, significantly contribute to the commercialization of FOSCs. Mass production of flexible OSCs is possible by using a roll-to-roll process, which enables the fabrication of wearable devices. [11,12] Potential applications of FOSCs include wearable devices, [13] space applications, [14] rechargeable bags and tents, and solar airships. One of the main components for fabricating FOSCs is TCEs, which play a key role in achieving high-performance OSCs, where current and light transmissions are simultaneously enabled. [15] Generally, the following characteristics are required for achieving a high-performance transparent electrode: [16-18] 1) high optical transmittance for permitting photons to reach and be absorbed within the active layer; 2) low sheet resistance for decreasing the resistance of solar cells; 3) low surface roughness for avoiding electrical shortage In this review, silver nanowires (AgNWs) are introduced, as the primary material to replace indium tin oxide for fabricating cost-effective flexible organic solar cells (FOSCs), because of their remarkable solution-processing, flexibility, transparency, and conductivity, along with their enhanced properties in terms of light-scattering, plasmonic effects, and transmittance in the near infrared region. The drawbacks of AgNWs, particularly their high roughness, low adhesion to substrates, atmospheric corrosion, degradation under UV and visible light, and poor contact at wire-wire junctions, must be resolved prior to their use in commercial FOSCs applications. Herein, comparisons among all candidates (e.g., graphene, carbon nanotubes, metal grids, and conducting polymers), along with a report of all recent progress in addressing these issues for using AgNWs as flexible transparent conductive electrodes (TCEs), are discussed. In addition, recent publications on the fabrication of highly efficient FOSCs based on AgNWs are summarized. The discussed issues regarding AgNWs-TCEs apply not only to FOSCs, but can be generalized for other third-generation solar cells, such as perovskite solar cells and dye-sensitized solar cells; additionally, they provide insight for other optoelectronic applications, such as organic light-emitting diodes, liquid crystal displays, smart windows, touch panels, and heaters.

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Facile preparation of flexible and highly stable graphene oxide-silver nanowire hybrid transparent conductive electrode

Cited by 25 publications

References 46 publications

Multifunctional Integrated Transparent Film for Efficient Electromagnetic Protection

Multifunctional Integrated Transparent Film for Efficient Electromagnetic Protection

Highly Stable Graphene‐Based Flexible Hybrid Transparent Conductive Electrodes for Organic Solar Cells

Benefits, Problems, and Solutions of Silver Nanowire Transparent Conductive Electrodes in Indium Tin Oxide (ITO)‐Free Flexible Solar Cells

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